click below
click below
Normal Size Small Size show me how
GC chapter 5
The Integumentary System
Question | Answer |
---|---|
contain keratin, most abundant cells in epidermis | Keratinocytes |
Forms dense cytoplasmic granules,to promote dehydration and aggregation and cross linking keratin fibers | Keratohyalin |
serves to protect from abrasion, repels water | Keratin |
Between Stratum Spinosum and Stratum Granulosum | Epidermal Water Barrier |
lines on palms, digits, elbows,from flexion | Flexion lines |
Immune cells in Stratum Spinosum | Langerhans (dendritic) cells |
Respond to light touch, in hairless skin | Merkel cells |
located in the stratum basale, contain melanin | Melanocytes |
Light touch receptors in dermal papillae | Meissner's corpusle |
deep touch and vibration receptors in reticular layer | Pacinian corpusle |
Transport vesicle for melanin, transfered to keratinocytes | Melanosome |
Dermal layer that contains areolar tissue | Papillary Layer |
Dermal layer that contains dense irregular connective tissue, collagen and elastic fibers, connective tissue proper | Reticular layer |
Most common type of skin cancer, originates in the stratum basale | Basal Cell Carcinoma |
Cancer cells that grow rapidly and metastasize throught the lymphatic system 5 year survival rate is 99%, if extensive metastasis occurs survival rate drops to 14% | Melanoma |
Parallell bundles of collagen and elastic fibers oriented to resist forces applied to the skin during normal movement | Cleavage Lines |
contusion to the integument | Bruise |
Mitotic portion of hair | Hair matrix |
a hair at an inactive follicle at the end of its growth cycle | Club hair |
glands that produce milk | Mammary gland |
Glands that produce ear wax | Ceruminous Glands |